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Table 8.
Physical properties measured for the four systems analysed in this work.
| Parameter | V1034 Sco | GL Car | V573 Car | V346 Cen |
|---|---|---|---|---|
| Mass ratio | 0.5628 ± 0.0021 | 0.943 ± 0.012 | 0.8182 ± 0.0037 | 0.7119 ± 0.0038 |
Mass of star A ( ) |
17.01 ± 0.14 | 15.86 ± 0.31 | 15.11 ± 0.13 | 11.74 ± 0.12 |
Mass of star B ( ) |
9.573 ± 0.053 | 14.95 ± 0.30 | 12.365 ± 0.096 | 8.359 ± 0.089 |
Semi-major axis ( ) |
22.767 ± 0.053 | 23.79 ± 0.15 | 16.412 ± 0.044 | 39.12 ± 0.13 |
Radius of star A ( ) |
7.513 ± 0.075 | 5.242 ± 0.048 | 5.429 ± 0.043 | 8.278 ± 0.079 |
Radius of star B ( ) |
4.328 ± 0.051 | 4.968 ± 0.051 | 4.528 ± 0.049 | 4.123 ± 0.072 |
| Surface gravity of star A (log[cgs]) | 3.917 ± 0.009 | 4.199 ± 0.007 | 4.148 ± 0.007 | 3.672 ± 0.008 |
| Surface gravity of star B (log[cgs]) | 4.147 ± 0.010 | 4.220 ± 0.008 | 4.218 ± 0.009 | 4.130 ± 0.015 |
| Synch. rotational velocity of star A (km s−1) | 155.7 ± 1.6 | 109.5 ± 1.0 | 186.9 ± 1.5 | 66.25 ± 0.64 |
| Synch. rotational velocity of star B (km s−1) | 89.7 ± 1.1 | 103.8 ± 1.1 | 155.9 ± 1.7 | 33.00 ± 0.57 |
| Teff of star A (K) | 32 200 ± 500 | 30 960 ± 500 | 31 900 ± 400 | 26 100 ± 300 |
| Teff of star B (K) | 25 800 ± 300 | 30 390 ± 500 | 28 700 ± 350 | 22 500 ± 300 |
Luminosity of star A  |
4.738 ± 0.028 | 4.357 ± 0.029 | 4.439 ± 0.023 | 4.457 ± 0.022 |
Luminosity of star B  |
3.874 ± 0.028 | 4.278 ± 0.030 | 4.098 ± 0.023 | 3.594 ± 0.028 |
| Absolute bolometric magnitude of star A | −7.104 ± 0.071 | −6.15 ± 0.073 | −6.331 ± 0.057 | −6.403 ± 0.054 |
| Absolute bolometric magnitude of star B | −4.944 ± 0.057 | −5.96 ± 0.075 | −5.505 ± 0.058 | −4.245 ± 0.069 |
| Interstellar extinction E(B − V) (mag) | 0.75 ± 0.05 | 0.55 ± 0.05 | 0.40 ± 0.05 | 0.56 ± 0.03 |
| Distance (pc) | 1460 ± 50 | 2278 ± 63 | 2466 ± 78 | 2290 ± 60 |
| Gaia DR3 parallax (mas) | 0.6452 ± 0.0231 | 0.4232 ± 0.0130 | 0.4428 ± 0.0200 | 0.4380 ± 0.0261 |
| Gaia DR3 distance (pc) | 1550 ± 56 | 2363 ± 73 | 2260 ± 100 | 2280 ± 140 |
Notes. The units labelled with a superscripted ‘N’ are given in terms of the nominal solar quantities defined in IAU 2015 Resolution B3 (Prša et al. 2016).
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